Head to head

Ke­pler vs Hub­ble

All About Space - - Kepler Space Telescope -

Be­cause of its more ex­ten­sive light-cap­tur­ing ca­pa­bil­i­ties, Hub­ble can make vague es­ti­ma­tions of an ex­o­planet’s at­mos­phere. This is due to Hub­ble’s abil­ity to cap­ture near-in­frared, vis­i­ble and ul­tra­vi­o­let light, un­like Ke­pler’s ex­tremely nar­row wave­length band of 430-890 nanome­tres.

When you com­pare their size and mass, Hub­ble is grander in ev­ery way. Hub­ble is

8.6 me­tres (28.2 feet) longer, 11,195 kilo­grams (24,681 pounds) heav­ier and the pri­mary mir­ror is 1-me­tre (3.28 feet) larger, which pro­vides a col­lect­ing area that is 3.79 me­tres squared (41 square feet) larger.

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